diff options
Diffstat (limited to 'drivers/char/tpm/st33zp24/spi.c')
| -rw-r--r-- | drivers/char/tpm/st33zp24/spi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/char/tpm/st33zp24/spi.c b/drivers/char/tpm/st33zp24/spi.c index 08e6bf54d7dd..a2ef8ec4ba80 100644 --- a/drivers/char/tpm/st33zp24/spi.c +++ b/drivers/char/tpm/st33zp24/spi.c @@ -214,6 +214,11 @@ static int st33zp24_spi_evaluate_latency(void *phy_id) &data, 1); latency++; } + if (status < 0) + return status; + if (latency == MAX_SPI_LATENCY) + return -ENODEV; + return latency - 1; } /* evaluate_latency() */ |